package com.edu.eduoss.service.impl;

import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.edu.eduoss.service.OssService;
import com.edu.eduoss.utils.OssProperties;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.UUID;

@Service
public class OssServiceImpl implements OssService {
    @Override
    public String fileupload(MultipartFile file) {
        // Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
        String endpoint = "https://"+ OssProperties.END_POINT;
        // 阿里云账号AccessKey拥有所有API的访问权限，风险很高。强烈建议您创建并使用RAM用户进行API访问或日常运维，请登录RAM控制台创建RAM用户。
        String accessKeyId = OssProperties.ACCESS_KEY_ID;
        String accessKeySecret = OssProperties.ACCESS_KEY_SECRET;
        // 填写Bucket名称，例如examplebucket。
        String bucketName = OssProperties.BUCKET_NAME;
        // 填写Object完整路径，例如exampledir/exampleobject.txt。Object完整路径中不能包含Bucket名称。
//        String objectName = "exampledir/exampleobject.txt";

        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        try {
//            String content = "Hello OSS"; //文本
            //上传文件
            String myfilename= UUID.randomUUID().toString().replace("-","")+file.getOriginalFilename();

            String destfileName="example/"+ myfilename;
            String imgPath="https://"+bucketName+"."+OssProperties.END_POINT+"/"+destfileName;
//            ossClient.putObject(bucketName, objectName, new ByteArrayInputStream(content.getBytes()));
            //修改参数  上面因为只是传字符串所有是字节流 现在不是传字符串了 所有要转换成相对应的流
            ossClient.putObject(bucketName, destfileName, file.getInputStream());
            return   imgPath;
        } catch (OSSException oe) {

            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } catch (FileNotFoundException e) {
            throw new RuntimeException(e);
        } catch (IOException e) {
            throw new RuntimeException(e);
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
        return null;
    }
}
